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| 型號： | MCP23S17-E/SO |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 47/48頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER SPI 16B 28SOIC |
| 產(chǎn)品培訓(xùn)模塊： | GPIO Expanders |
| 標(biāo)準(zhǔn)包裝： | 27 |
| 接口： | SPI |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 10MHz |
| 電源電壓： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 684 (CN2011-ZH PDF) |
| 配用： | MCP23X17EV-ND - BOARD EVAL FOR MCP23X17 GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD |
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MCP23017/MCP23S17
DS21952B-page 8
2007 Microchip Technology Inc.
1.4
Hardware Address Decoder
The hardware address pins are used to determine the
device address. To address a device, the correspond-
ing address bits in the control byte must match the pin
state. The pins must be biased externally.
1.4.1
ADDRESSING I2C DEVICES
(MCP23017)
The MCP23017 is a slave I2C interface device that
supports 7-bit slave addressing, with the read/write bit
filling out the control byte. The slave address contains
four fixed bits and three user-defined hardware
address bits (pins A2, A1 and A0). Figure 1-2 shows
the control byte format.
1.4.2
ADDRESSING SPI DEVICES
(MCP23S17)
The MCP23S17 is a slave SPI device. The slave
address contains four fixed bits and three user-defined
hardware address bits (if enabled via IOCON.HAEN)
(pins A2, A1 and A0) with the read/write bit filling out
the control byte. Figure 1-3 shows the control byte
format. The address pins should be externally biased
even if disabled (IOCON.HAEN = 0).
FIGURE 1-2:
I2C CONTROL BYTE
FORMAT
FIGURE 1-3:
SPI CONTROL BYTE
FORMAT
FIGURE 1-4:
I2C ADDRESSING REGISTERS
FIGURE 1-5:
SPI ADDRESSING REGISTERS
S
0
1
0
A2A1A0 R/W ACK
Start
bit
Slave Address
R/W bit
ACK bit
Control Byte
R/W = 0 = write
R/W = 1 = read
0
1
0
A2 A1 A0 R/W
Slave Address
R/W bit
Control Byte
R/W = 0 = write
R/W = 1 = read
CS
S0
1
0
A2 A1 A0
0
ACK*
A7
A6
A5
A4
A3
A2
A1
A0
ACK*
Device Opcode
Register Address
R/W = 0
*The ACKs are provided by the MCP23017.
0
100
A2
*
A1
*
A0
*
R/W
A7
A6A5A4A3A2A1A0
Device Opcode
Register Address
CS
* Address pins are enabled/disabled via IOCON.HAEN.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP23S17T-E/ML | 功能描述:接口-I/O擴(kuò)展器 16bit Input/Output Exp SPI interface RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MCP23S17T-E/SO | 功能描述:接口-I/O擴(kuò)展器 16bit Input/Output Exp SPI interface RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MCP23S17T-E/SO | 制造商:Microchip Technology Inc 功能描述:IC I/O EXPANDER 16BIT 10MHZ SOIC-28 制造商:Microchip Technology Inc 功能描述:IC, I/O EXPANDER, 16BIT, 10MHZ, SOIC-28 |
| MCP23S17T-E/SO-CUT TAPE | 制造商:Microchip 功能描述:MCP23017 Series 5.5 V 10 MHz 16-Bit I/O Expander with Serial Interface - SOIC-28 |
| MCP23S17T-E/SP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:16-Bit I/O Expander with Serial Interface |
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